/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PendingSpatialData.h
[FPendingSpatialData](API\Runtime\Chaos\Chaos\FPendingSpatialData) & FindOrAdd ( const [FUniqueIdx](API\Runtime\Chaos\Chaos\FUniqueIdx) UniqueIdx, [EPendingSpatialDataOperation](API\Runtime\Chaos\Chaos\Chaos__EPendingSpatialDataOperat-) Operation )